ASTM B168
Ni-Cr-Fe alloy (UNS N06600) plate, sheet and strip
Covers nickel-chromium-iron alloy plate, sheet and strip, including Alloy 600 (UNS N06600) and Alloy 601.
- Plate, sheet & strip
- ASME SB-168
- 1 grade in stock range
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
What to know before ordering to ASTM B168
The points that decide whether material to ASTM B168 is accepted at inspection.
- Material is supplied hot-worked, annealed or as agreed; state the condition.
- Alloy 600 is chosen for high-temperature oxidation and caustic service.
- Seamless pipe and tube in Alloy 600 is ordered to ASTM B167.
Grades and products we supply to ASTM B168
| Grade | Product | Designation on the certificate |
|---|---|---|
| Inconel 600 | Sheet · Plate · Coil | ASTM B168 |
How ASTM B168 fits into an order
A purchase order line is only complete when it names the material standard, the dimensional standard and the inspection document. Miss one and the mill, the inspector and the buyer can each read the order differently.
Related standards
ASTM B168 — questions buyers ask
What does ASTM B168 cover?
Covers nickel-chromium-iron alloy plate, sheet and strip, including Alloy 600 (UNS N06600) and Alloy 601.
Which grades do you supply to ASTM B168?
Inconel 600 — see the table on this page for the exact product and designation.
What is the difference between ASTM B168 and ASME SB-168?
ASME SB-168 is the ASME Boiler and Pressure Vessel Code (Section II) adoption of ASTM B168. The technical requirements are usually identical to a specific ASTM edition; pressure-equipment codes call for the ASME designation, and most mill certificates show both.
Do you supply certificates to this standard?
Yes. Material is supplied with mill test certificates to EN 10204 3.1 showing the standard, grade and heat number; 3.2 with third-party inspection on request.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026